Toothed/cog wheel, has toothed /cog wheel body joining a hub and teeth

摘要

A toothed wheel/cog wheel has a hub (not shown) with several teeth (1) and a toothed/cog wheel body joining the hub and teeth (1). The teeth (1) are fabricated from a material different from that used for the toothed/cog wheel body. On a tooth root (7) of each tooth (1) is specifically provided a fixture element (9) formed integrally with the tooth, and having at least one salience (11) and/or at least one recess (13).